#0  0x00007ffff68b2165 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff68b53e0 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff68ed1cb in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007ffff68f6a16 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007ffff68fc6ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007ffff68fca00 in realloc () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007ffff75d96d7 in C_prepare_fdset (length=1) at scheduler.c:90
#7  0x00007ffff75d98e6 in stub370 (C_buf=30, C_a0=3) at scheduler.c:181
#8  0x00007ffff75e4b2a in f_1779 (c=2, t0=140737487321544, t1=3) at scheduler.c:1841
#9  0x00007ffff71d8909 in f_7225 (c=3, t0=140737353520240, t1=140737487321544, t2=140737353716712) at library.c:33067
#10 0x00007ffff75e296d in f_970 (c=2, t0=140737487323824, t1=30) at scheduler.c:1586
#11 0x00007ffff75e9d18 in f_1088 (t0=140737487322400, t1=6) at scheduler.c:2292
#12 0x00007ffff75df80d in f_1039 (t0=140737487323896, t1=140737487323824, t2=140737487329464) at scheduler.c:1302
#13 0x00007ffff75dc0d3 in f_966 (t0=140737487324160, t1=140737487326080) at scheduler.c:905
#14 0x00007ffff75dc553 in f_961 (c=2, t0=140737487325184, t1=30) at scheduler.c:947
#15 0x00007ffff75ed089 in f_931 (c=2, t0=140737353706144, t1=140737487326080) at scheduler.c:2580
#16 0x00007ffff715929c in f_21044 (c=3, t0=140737487325968, t1=140737487326080, t2=140737487325616) at library.c:15906
#17 0x00007ffff77b12e5 in C_call_cc (c=3, closure=0, k=140737487326080, cont=140737487325968) at runtime.c:6107
#18 0x00007ffff715b92b in f_21038 (c=2, t0=140737353532888, t1=140737487326080) at library.c:16281
#19 0x00007ffff7336b59 in f_1689 (c=2, t0=140737487328208, t1=30) at tcp.c:1847
#20 0x00007ffff75f2bcd in f_1941 (c=2, t0=140737487327984, t1=30) at scheduler.c:3168
#21 0x00007ffff75ec2e9 in f_1956 (t0=140737487328048, t1=140737487327984, t2=140737353716712) at scheduler.c:2526
#22 0x00007ffff75f1a27 in f_1937 (c=5, t0=140737353706392, t1=140737487328208, t2=140737353532720, t3=15, t4=140737353704784) at scheduler.c:3045
#23 0x00007ffff7336cb2 in f_1686 (c=2, t0=140737487332624, t1=30) at tcp.c:1859
#24 0x00007ffff75f07a3 in f_1334 (c=2, t0=140737487332032, t1=30) at scheduler.c:2927
#25 0x00007ffff75ee74c in f_1355 (t0=140737487330096, t1=22) at scheduler.c:2744
#26 0x00007ffff75efa79 in f_1345 (t0=140737487332088, t1=140737487332032, t2=14, t3=140737353718936) at scheduler.c:2864
#27 0x00007ffff75eeca0 in f_1355 (t0=140737487331616, t1=6) at scheduler.c:2755
#28 0x00007ffff75efee9 in f_1345 (t0=140737487332088, t1=140737487332032, t2=140737353718936, t3=6) at scheduler.c:2868
#29 0x00007ffff75f1491 in f_1325 (t0=140737487332288, t1=30) at scheduler.c:2995
#30 0x00007ffff75f1660 in f_1321 (c=4, t0=140737353706272, t1=140737487332624, t2=140737353532720, t3=140737487333136) at scheduler.c:3022